AUTHOR=Czechowski Tomasz , Weathers Pamela J. , Brodelius Peter E. , Brown Geoffrey D. , Graham Ian A. TITLE=Editorial: Artemisinin—From Traditional Chinese Medicine to Artemisinin Combination Therapies; Four Decades of Research on the Biochemistry, Physiology, and Breeding of Artemisia annua JOURNAL=Frontiers in Plant Science VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2020.594565 DOI=10.3389/fpls.2020.594565 ISSN=1664-462X